1970-74 GM F-body Full Length LS Engine Swap Headers for Stock LS1/LS6/LS2 or 5.3L-6.0L Vortec truck engine swaps

  • Premium fitment with optimized ground clearance. The only 1970-74’ specific header design in the marketplace
  • Laser cut 3/8 flanges with flat-finished TIG welded port sealing
  • 1-3/4 primaries/3 collectors
  • Designed and intended for installation only with Hooker LS swap engine mounting brackets and transmission crossmembers for this application. Will not install with any other brand of mounts
  • Compatible with Quick Time™ bellhousings, mechanical clutch linkage (requires custom Z-bar/pivot ball assembly), stock A/C evaporator case on firewall, straight boot spark plug wires and Holley LS swap oil pan and accessory drive brackets
  • Connects directly to Hooker 3 2nd-gen F-body exhaust system.Connection to 2-1/2 Hooker 2nd-gen F-body exhaust system requires the use of an available mid-pipe kit
  • Compatible only with stock height subframe/body mounts. Installation with half-height mounts will require modification to vehicle floor panels
  • Automatic and manual transmission compatible
  • Will not install with factory column shift linkage, Lokar or similar aftermarket shift cable or linkage required for column shift applications